package com.hui.reggie.comon;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;


/**
 * 全局异常处理
 */
//拦截@RestController @Controller 注解
@RestControllerAdvice(annotations = {RestController.class, Controller.class})
@Slf4j
public class GlobalExceptionHandler {

    /**
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex) {
        //        log.error("{}", ex);
        log.error(ex.getMessage());
        //添加员工,用户名重复
        //contains("Duplicate entry") 当且仅当此字符串包含指定的 Duplicate entry 值序列时，返回true
        if (ex.getMessage().contains("Duplicate entry")) {
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "用户名已存在";
            return R.error(msg);
        }

        return R.error("未知错误");
    }

    /**
     * 自定义异常处理
     *
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex) {
        log.error(ex.getMessage());

        return R.error(ex.getMessage());
    }
}
